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Original Message
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Probably production ramp-up. |
By Dave Shoe - 01/20/2002 10:21:11 PM; IP 216.243.158.87 |
I suspect the main reason the FMX could be found in 390 Galaxies until 1969 was due to production line ramp-up limitations.
The FX and MX were proven out, the new FMX was just a tweak of the the earlier designs and was readily produced in qualtity. The C6 would undergo a significant change in mid-1966, and also the significant "Select-Shift" upgrade (from the old Dual Drive algo) in 1967.
Specifying both FMX and C6 trannys for use behind the very common 390-2V engines in Galaxies allowed some flexibility in the production of the two trannies. Clearly, Ford considered the C6 the stronger transmission, but they also had proven reliability in the FX/MX/FMX tranny.
One thing to note is the Cruise-O-Matic tranny was the same as the FX/MX/FMX/CW tranny. I suspect the FMX will bolt right into the FX position without much in the line of mods. I haven't yet learned the specific differences between the different Cruise-O-Matics, but they are all based on the Borg Warner design Ford commissioned in 1951 and converted to a Cruise_O-Matic (FX) in 1958, and I suspect mounting points and linkages will be minimally different between the variations.
Note also that "FMX" is a general term which is frequently used to describe FX and MX trannies.
Shoe. |
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